In an interview with Gamasutra, Wedgewood said the game is "estimated" to have generated between $120 million and $140 million in revenue for Splash Damage since it launched last year.

The majority of that revenue went to the game's publisher, Bethesda, but Splash Damage intends to get a larger slice of the revenue from its future projects with its new digital arm, WarChest.

"Gamers are well served by high-end console games, but sometimes over-charged by mid-tier titles, or under-served by low-quality free-to-play games that unfairly exploit the player," said CCO Richard Jolly when WarChest was announced last week.
"We believe gamers deserve better, and that's why WarChest is exclusively focused on publishing games that are AAA and free."

WarChest's first game will be the iOS turn-based strategy title, RAD Soldiers. It is scheduled for release in June.

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I'm very surprised it did so well, but not because of the quality of the game, more because the price appeared to drop very soon after release. It wasn't long before it was in bargain bins everywhere. Great news for Splash Damage though!